| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1121.07 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.44 | USD | 20251113 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.42 | USD | 20251111 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.58 | USD | 20251110 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.9 | USD | 20251107 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.44 | USD | 20251106 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1119.87 | USD | 20251105 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.12 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.41 | USD | 20251103 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1120.2 | USD | 20251031 |